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Home > Forum > Triathlon Forum > Is there a way to get a rough stack/reach estimate at home?

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Is there a way to get a rough stack/reach estimate at home?
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Kwalton839
Nov 19, 18 10:53
Post #1 of 9 (1131 views)
I know, I know, and I will get a full on bike fit when I get a bike. But I lost track of time, and now it’s almost Black Friday/cyber Monday and my work is crazy this week. I’m hoping someone somewhere has a deal that’s too good to pass up...

Anyway, is there a way to grossly estimate my stack and reach based on measurements? Just so I get the right size bike frame if I buy something online?

Thanks,
Ken
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Re: Is there a way to get a rough stack/reach estimate at home? [Kwalton839] [ In reply to ]
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JASpencer
Nov 19, 18 11:01
Post #2 of 9 (1111 views)
stack and reach database + stem calculator + rough estimate for your bars = pretty easily +/- 10mm
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Re: Is there a way to get a rough stack/reach estimate at home? [JASpencer] [ In reply to ]
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Kwalton839
Nov 19, 18 11:18
Post #3 of 9 (1086 views)
Thanks for the reply. To clarify, I only have a road bike right now, looking to get a tri bike. Would that work for estimating correct frame size? I was thinking something like I’m 72 inches tall, 75kg, on the more flexible side, inseam is x, etc...telling me very roughly what stack and reach usually works with those stats. Is that crazy?
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Re: Is there a way to get a rough stack/reach estimate at home? [Kwalton839] [ In reply to ]
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gregf83
Nov 19, 18 11:20
Post #4 of 9 (1080 views)
If you have an existing bike that fits why not just measure it? Only takes 5 min.
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Re: Is there a way to get a rough stack/reach estimate at home? [Kwalton839] [ In reply to ]
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gmh39
Nov 19, 18 12:00
Post #5 of 9 (1034 views)
This got be pretty close before I got my fit done:

https://www.competitivecyclist.com/Store/catalog/fitCalculatorBike.jsp#results


Strava
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Re: Is there a way to get a rough stack/reach estimate at home? [gmh39] [ In reply to ]
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Kwalton839
Nov 19, 18 12:17
Post #6 of 9 (1004 views)
Just the kind of thing I was looking for! Thank you.
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Re: Is there a way to get a rough stack/reach estimate at home? [Kwalton839] [ In reply to ]
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bloodyshogun
Nov 19, 18 12:28
Post #7 of 9 (987 views)
I would also look at Mr. Slowman's orthodoxy chart. https://www.slowtwitch.com/...ld_Example_6852.html

If anywhere gives you a number out of the norm. It's probably non-optimal (for the vast majority of people). Your tri bike fit stack should not be significantly higher than your current road bike bar stack.
Last edited by: bloodyshogun: Nov 19, 18 12:30
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Re: Is there a way to get a rough stack/reach estimate at home? [Kwalton839] [ In reply to ]
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brandoncopley
Nov 20, 18 9:56
Post #8 of 9 (789 views)
There are ways to estimate this, but going to a fitter on a retul bike will get you the exact dimensions you need so you can see what bikes fit you best. You may be a 54" in 1 brand, but a 52" in another just based on your personal geometry. It's almost always worth it to get the fit first and then find the bike.
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Re: Is there a way to get a rough stack/reach estimate at home? [Kwalton839] [ In reply to ]
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ericMPro
Nov 20, 18 9:59
Post #9 of 9 (782 views)
Kwalton839 wrote:
I know, I know, and I will get a full on bike fit when I get a bike.

you really should get a fit *before* you get a bike, not after.
Eric Reid AeroFit | Instagram Portfolio
Aerodynamic Retul Bike Fitting

“You are experiencing the criminal coverup of a foreign backed fascist hostile takeover of a mafia shakedown of an authoritarian religious slow motion coup. Persuade people to vote for Democracy.”
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